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Journal Article

Macroscopic entropy formulae and non-holomorphic corrections for supersymmetric black holes


De Wit,  Bernard
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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De Wit, B., Cardoso, G. L., & Mohaupt, T. (2000). Macroscopic entropy formulae and non-holomorphic corrections for supersymmetric black holes. Nuclear Physics B, 567(1-2), 87-110. doi:10.1016/S0550-3213(99)00560-X.

Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-5752-B
In four-dimensional N=2 compactifications of string theory or M-theory, modifications of the Bekenstein-Hawking area law for black hole entropy in the presence of higher-derivative interactions are crucial for finding agreement between the macroscopic entropy obtained from supergravity and subleading corrections to the microscopic entropy obtained via state counting. Here we compute the modifications to the area law for various classes of black holes, such as heterotic black holes, stemming from certain higher-derivative gravitational Wilsonian coupling functions. We consider the extension to heterotic N=4 supersymmetric black holes and their type-II duals and we discuss its implications for the corresponding micro-state counting. In the effective field theory approach the Wilsonian coupling functions are known to receive non-holomorphic corrections. We discuss how to incorporate such corrections into macroscopic entropy formulae so as to render them invariant under duality transformations, and we give a concrete example thereof.